Children between 7 and 17 years old will roll down a steep ramp onto an asphalt track in the parking lot of the high school.
After group photos with the cars at 8 a.m., followed by an opening ceremony, the stock and super stock division races will begin at 9:15 a.m.
An awards ceremony will close out the day around 3:30 p.m.
Local businesses are given a chance to sponsor cars, with the list of this year’s contributors including Bank of North Georgia, WellStar Health System, Jim N Nick’s Bar-B-Q, Cobb Chamber of Commerce and Georgia Power Company.
“We couldn’t do it without the support of the business and civic community in Cobb County,” said race director Devan Seabaugh, a vice president with MetroAtlanta Ambulance Service.
The participants build the soap box cars using kits bought from the All-American Soap Box Derby International.
“They have been putting their cars together all year,” Seabaugh said.
Seabaugh said he has assembled his fair share of soap box cars because all five of his children have participated in the race over the years.
This is the first year that his 8-year-old daughter, Sophia Seabaugh, will compete.
Seabaugh said the hours hammering away on the racecars have been a unique opportunity to spend time with family and teach them about each tool.
After learning basic construction skills, the racers are eager to compete in the amateur event.
The Kiwanis Club of Marietta started the event in 2004, which is now an officially sanctioned race of the AASBD.
The winners of the two races on Saturday will earn places in the world championship race in Akron, Ohio.
Seabaugh said over the last 10 years, 10 children have placed in the top ten at the world championship race, including his daughter, Heidi Seabaugh, who placed second in 2008 when she was 15.